CSS Public

CSS Loading Spinner

A small pure CSS loading spinner using border animation.

#css #animation #loader #utility

CSS

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e5e7eb;
  border-top-color: #4f46e5;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

Notes

Add aria-live or visible text when the loading state is important for users.

Snippet actions

CodShot user

Updated: 2026-06-03 14:05

Public snippets

Forks